Shoe upper



FIG. 1 is a front perspective view of a shoe upper showing my new design;

FIG. 2 is a rear perspective view thereof; and,

FIG. 3 is a side view thereof.

The even broken lines within the shaded area represent stitching. The uneven broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The uneven broken line showing of the eyelet region and the remainder of the shoe is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 